Tacking device.



E. 0. ENGBERG. TAGKING DEVICE.

APPLICATION FILED SEPT. 10 1908.

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UNITED STATES PATENT OFFICE.

EPHBAIM O. ENGBERG, O1 SALT LAKE CITY, UTAH, ASSIGNOR TO JOHN BEECHER PATTON, OF KENT, OHIO.

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Specification of Letters Patent.

Patented Oct. 22, 1912.

Application filed September 10, 1908. Serial No. 452,366.

Devices, of which the following is'a full,

clear, and exact description.

This invention relates more particularly to a tacking device adapted for use in connection with window shade machines such as disclosed in my Patents Nos. 883,793 and 883,795, dated April 7, 1908.

The primary object of the invention is to provide simple and efiicient means which are adapted to automatically force a plurality of tacking elements, as staples, simultaneously into a shade-roller so as to hold the shade material properly fastened thereto at one end, in order that the shade may be properly wound on the roller, and

'which tacking means may be adjustable to adapt the machine to fasten the end of the shade to rollers of difierent widths, thus overcoming the objections incident to the use of the ordinary tack and method of tacking the same singly.

ik further object of the invention is to provide simple and efficient means whereby any one of the tacking devices maybe quickly thrown to an inoperative position.

With these and other objects. in view, the invention will be hereinafter more par-' ticularly described with reference to the accompanying drawings,"which form a part of this specification, and will then be pointed out in the claims at the end of the description.

In the drawings, Figure 1 is a fragmentary plan view of a part of a window shade machine with a plurality of tacking devices applied thereto. Fig. 2 is an enlarged transverse section, partly broken away and partly in elevation, taken on the line 11-11 of Fig. 1. Fig. 3 is a lan view of Fig. 2; and Fig. 4 is a longitudinal section of the upper part of a shade machine with one of the tacking devices in elevation.

The shade material may be fed from a roll and passed between thefeed rolls 11 and 12, Fig. 4, and from there to the edge trimming knives or cutters 13, from which it passes to the creasing and loop-forming mechanism 14 for forming the loop for the shade slat. The shade is cut transversely by means of a movable knife 15, and one end of the shade is fastened to a shade-roller 16 by a plurality of tacking devices 17 and the shade is wound on the shade-roller after. being fastened thereto.

The features of the machine shown andthus described, except the tacking means, are substantially the same as in my Patent- No. -883,7 95, hereinbefore referred to and such features are not claimed specifically herein.

The machine frame is provided with a table 18 and on said table convenient to the 'mechanism for rotating the shade-roller to wind. the shade thereon is a transverse bar or brace 19, and under the table 18 and pro- 18Ct1l1g outward therefrom are the brackets .20. A rod 21 extends transversely of the machine between the brackets 20 and adjust-. ably held on the rod 21 are a plurality ofthe tacking devices 17. These tacking. -devices are loosely held on the rod 21 so as to permit the same to be swung outward and said tacking devices are what are known as, the Hotchkiss tag machines which are adapted to cut off a staple orv tacking element from a long strip and to drive the same into the object to be fastened. The tacking elements 22 are fed in a long strip as usual by means of. the mechanism 23, and at each feed or movement of the mechanism, a plunger 24 notonly serves to cut off the uppermost staple' from the strip but drivesthe same through the shade-material 10 into the shade-roller 16, the said plunger 24 being normally forced outward by means of a spring 25, and the bar or brace 19 serving to" hold the shade-roller 16 in position against the action of the tacking devices 17 whereby the staples or fastening elements may be properly driven into the shaderoller. No claim is made herein to the special form of tacking device except as to its connection with means whereby one or more tacking devices may be employed for tacking material to shade-rollers, the form of the tacking device being varied as desired and constructed in any suitable way.

Tooperate the plunger 24 of each of the tacking devices 17, I provide a shaft 26 which extends through the brackets 20, and adjustable along the shaft are a plurality of :arms 27 which are held to said shaft by means of a key 28 or otherwise whereby the said arms may be rocked when the shaft 26 is partly rotated. Each arm 27 is provided with a threaded opening at the upper end thereof, and in said threaded opening is a bolt or screw 29 which is adjust-able in said arm and is adapted to engage the outer end of the plunger 24 so as to force said plunger inward to cut-off the staple and drive the same into the shade-roller when the arms are moved with the shaft 26 as a pivot;

Each arm 27 is provided with guides or fingers 30 one on each side thereof, which are adapted to span the end of the plunger 24: and to properly hold the tacking devices and operating arms in their proper relative positions during the tacking operation. The guides or fingers 30 are adapted to be thrown to the position shown in dotted lines in Fig. 2 to permit the arms 27 to be adjusted along the shaft 26 independent of the adjustment of said tacking devices. By this means each tacking device is inde pendent of any of the others and may be placed in operative position, or may be made inoperative, and the construction permits the said tacking devices to be quickly adjusted to adapt the same for use in connection with different widths of shades.

Any suitable means may be employed for operating the shaft 26. As shown a rod 31 projects inwardly from the shaft 26 and to one end of this rod is a connection 32 which may be held at its lower end to the treadle 33, or other operating means, which may be pivoted, as at 34, to a part of the machine frame or to the floor.

From the foregoing it will be seen that simple and efficient tacking mechanism is provided for fastening the shade-material to shade-rollers; that said mechanism is adjustable and each tacking device is independently operative; and that by adapting the use of the tacking element such as shown the liability of the usual form of tack being misplaced or notbeing driven into the shade-roller properly is reduced to a minimum, and by the form of tacking elements used the shade-roller is less likely to be torn from the roller than is the case with the usual form of tack.

Having thus described my invention, I

claim as new and desire to secure by Letters Patent:

1. The combination with means for supporting a shade-roller, of a transverse bar forming an anvil for the shade-roller at the rear thereof, a plurality of tacking devices each adapted to cut-ofi and drive a tacking element into the shade-roller in a substantially horizontal plane, a shaft, a plurality of arms adjustably held to said shaft, means for rocking the shaft, together with means carried by the arms and adaptedto engage a part of the tacking devices for 1 ,Udll ,987

forcing the tacking element into the shaderoller. I

. 2. The combination with means for sup porting a shade-roller, of a transverse bar forming an anvil for the shade rollcr at the rear thereof, a plurality of tacking devices spaced'from the bar each adapted to cutoff and drive a tacking element into the shade-roller and having one member resting against the shade-roller, a shaft, a pinrality of arms adjustably held to said shaft, means for rocking the shaft, togctlmr with means carried by the arms and adapted to engage a part of the tacking devices for forcing the tacking element into the shade roller.

3. The combination with a table for supporting a shade-roller. of a transverse bar forming a backing bar for the shade-roller, a plurality of tacking devices each adapted to drive a tacking element into the shaderoller, a shaft, a plurality of arms adjustably held to said shaft, and means carried by the arms adapted to engage a part of the tacking devices for forcing the tacking element into the shade-roller.

4. The combination with means for supporting a shade-roller, of a transverse bar forming an anvil for the shade-roller, a plurality of vertically arranged tacking devices each adapted to drive a tacking element into the shade-roller, a shaft, a plurality of arms adjustably hzld to said shaft for operating the tacking device, guides carried by the arms adapted to engage a part of the tacking device, and means for rocking the shaft.

5. The combination with means for supporting a shade-roller, of a transverse backing therefor, a plurality of vertically disposed tacking devices having means for feeding and forcing the tacking elements into the shade-roller, an arm for each tacking device, an adjustable bolt carried by said arm and adapted to engage a part of the tacking device, guides projecting outward from each arm and adapted to span a part of the tacking device, an inward projecting rod carried by the shaft, and means for operating the said rod.

6. The combination with means for supporting a shade-roller, of a plurality of vertically disposed and pivotally held tacking devices having means for feeding and forcing the tacking elements into the shaderoller, an arm for each tacking device, an adjustable bolt carried by said arm and adapted to engage a part of the tacking device, guides projecting outward from each arm and adapted o span a part of the tacking device, and means for operating the arms.

'7. The combination with means for supporting a shade-roller, of a transverse backing therefor, a plurality of vertically disposed tacking devices having means for feeding and forcing the tacking elements into the shade-roller, an arm for each tacking device, means carried by said arm and adapted to engage a part of the tacking device, guides projecting outward from each arm and adapted to span a part of the tacking device, and means for operating said arms.

8. The combination of means for supporting a shade-roller, a plurality of vertically disposed and pivotally held tacking devices having means for feeding and forcing the tacking elements into the shaderoller, an arm for each tacking device, a 15 bolt carried by said arm adapted to engage a part of the tacking device, and-means for operating the arms.

This specification signed and witnessed this 3rd day of September A. D. 1908.

EPHRAIM O. ENGBERG. Witnesses:

AXEL JOHNSON, R. C. DECKER. 

